* Add support for the base64 URL encoding.

2 files changed, 14 insertions, 0 deletions

diff --git a/imap/src/c-client/rfc822.c b/imap/src/c-client/rfc822.c
index 214ba141..9a26af7f 100644
--- a/imap/src/c-client/rfc822.c
+++ b/imap/src/c-client/rfc822.c
@@ -2093,6 +2093,19 @@ unsigned char *rfc822_binary (void *src,unsigned long srcl,unsigned long *len)
   if (((unsigned long) (d - ret)) != *len) fatal ("rfc822_binary logic flaw");
   return ret;			/* return the resulting string */
 }
+unsigned char *rfc822_urlbinary (void *src,unsigned long srcl,unsigned long *len)
+{
+  unsigned char *s, *ret = rfc822_binary (src, srcl, len);
+
+  for(s = ret; s && *s; s++)
+     switch(*s){
+	    case '+': *s = '-'; break;
+	    case '/': *s = '_'; break;
+	    case '=': *s = '\0'; *len = s - ret; *++s = '\0'; break;
+	    default : break;
+     }
+  return ret;
+}
 
 /* Convert QUOTED-PRINTABLE contents to 8BIT
  * Accepts: source
diff --git a/imap/src/c-client/rfc822.h b/imap/src/c-client/rfc822.h
index 0621732a..f8f605b8 100644
--- a/imap/src/c-client/rfc822.h
+++ b/imap/src/c-client/rfc822.h
@@ -101,6 +101,7 @@ void rfc822_encode_body_8bit (ENVELOPE *env,BODY *body);
 long rfc822_output_text (RFC822BUFFER *buf,BODY *body);
 void *rfc822_base64 (unsigned char *src,unsigned long srcl,unsigned long *len);
 unsigned char *rfc822_binary (void *src,unsigned long srcl,unsigned long *len);
+unsigned char *rfc822_urlbinary (void *src,unsigned long srcl,unsigned long *len);
 unsigned char *rfc822_qprint (unsigned char *src,unsigned long srcl,
 			      unsigned long *len);
 unsigned char *rfc822_8bit (unsigned char *src,unsigned long srcl,